#!/bin/sh
#CryptoNAS Live include file
#$BUILD_DIR/config/cnas-active-settings
#This file includes the config files in the correct order.
#It can be included by scripts both in the bootstrap and
#chroot environments. Variable assignments in later
#includes override earlier ones.
#This file also contains a hack to write the scoreboard 
#file.

# Variable and function names starting with underscore
# are NOT intended to be used for user customization of builds.
# In addition, the names of variables to be included in the
# scoreboard file must begin with "CNAS_".

#This file is included by:
# config/common
# config/bootstrap
# config/chroot
# config/binary
# config/source

CNAS_CONFIG_DIR="config"

. ${CNAS_CONFIG_DIR}/cnas-default-settings


#Include cnas-custom-settings IFF this file exists
[ -f ${CNAS_CONFIG_DIR}/cnas-custom-settings ] && . ${CNAS_CONFIG_DIR}/cnas-custom-settings


#The stage file tracks when the scoreboard update code
#needs to run. The path is relative to the build dir.
_CNAS_STAGE_DIR=".stage/"
_CNAS_STAGE=".stage/chroot_cnas-scoreboard"


#Search in the top level of config for settings files CryptoNAS
#depends on. If any of them changed more recently than
#the settings scoreboard file, update it.
_CNAS_FIND="find config -regextype posix-extended -maxdepth 1 -type f -newer ${_CNAS_STAGE} -true " 

#FIXME: refine regexp, try remembering during a rebuild...?
# -regex '[^~]+' "
# \( -name 'common -o -name 'bootstrap' -o -name 'chroot' -o -name 'binary' -o -name 'source' -o -name 'cnas-default-settings' -o -name 'cnas-custom-settings' -o -name 'cnas-active-settings' \) "
#echo ${_CNAS_FIND}
#_CNAS_FOUND=`${_CNAS_FIND}`


_CNAS_SCOREBOARD="config/chroot_local-includes/usr/lib/cryptobox-cd/etc-scoreboard"

#Only run the scoreboard hack if the ".stage" directory exists
if [ -d ${_CNAS_STAGE_DIR} ] 
then
#If the scoreboard file needs updating, update it:

#If the stage file does not exist or the "find" found something
if [ ! -f "${_CNAS_STAGE}" ] || [ -n "`${_CNAS_FIND}`" ]
    then
    #Update the scoreboard file from the current shell vars
    echo "CryptoNAS: updating scoreboard file..."
    set | grep -e "^CNAS_" > ${_CNAS_SCOREBOARD}
    
    #If we updated the scoreboard, touch the .stage/... 
    #file we use for time stamping.
    touch "${_CNAS_STAGE}"
fi

fi # .stage directory exists

#Unconditionally return success
/bin/true